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Weather trend: Some showers in the north and west at first, becoming hot in the south later on

06:11
18 June 2025

Weather trend
Mainly fine, very warm for some later

High pressure remains influential this week, but northern and western parts will see some patchy rain at first. The weekend will then become very warm for many.

Through the middle of this week, weak weather fronts will still be affecting parts of Ireland and the northern UK. Meanwhile, high pressure keeps things dry and fine further south and east.

Temperarures are already on the warm side for the time of year, particularly to the south, where 25°C or more are likely to be reached almost every day.

High pressure is then expected to slowly shift east towards the North Sea and northern Europe, introducing a very warm southerly airstream across the UK and Ireland.

Temperatures could already reach 28 or 29°C as early as Thursday across inland parts of England and Wales and up to 24°C locally in Ireland and Scotland.

Even hotter air should reach us over the weekend, with 30 to 34°C possible in plaxes as well as warm and sometimes uncomfortably humid nights, especially in towns and cities.

A few heavy showers and thunderstorms could also develop from Sunday as the air becomes more unstable from the southwest, though details remain uncertain at this stage.

Overall though, little if any rainfall is expected through early next week away from the northwest and west.

Overall, temperatures could remain above or around the average through the end of June.

Atlantic low pressure systems could eventually become more dominant again and bring some more unsettled weather at times.

London

Tu
16
28
We
17
31
Th
17
29
Fr
18
32
Sa
23
31
Su
17
27
Mo
17
30
Tu
18
28
We
18
28
Th
19
29
Fr
18
32
Sa
21
33
Su
22
31
Mo
17
30
Max (°C)
Min (°C)
moreless

Sheffield

Tu
15
23
We
13
27
Th
16
29
Fr
17
31
Sa
21
24
Su
15
23
Mo
15
24
Tu
13
24
We
15
26
Th
15
26
Fr
15
29
Sa
18
29
Su
17
25
Mo
14
26
Max (°C)
Min (°C)
moreless

Cardiff

Tu
14
23
We
14
27
Th
17
28
Fr
17
29
Sa
18
23
Su
14
20
Mo
15
23
Tu
15
23
We
15
23
Th
16
24
Fr
16
24
Sa
17
25
Su
17
25
Mo
14
22
Max (°C)
Min (°C)
moreless

Glasgow

Tu
9
16
We
12
23
Th
13
26
Fr
14
25
Sa
15
18
Su
13
18
Mo
13
20
Tu
10
20
We
13
21
Th
14
22
Fr
14
22
Sa
13
23
Su
12
20
Mo
11
20
Max (°C)
Min (°C)
moreless

Galway

Tu
13
19
We
11
24
Th
16
25
Fr
16
20
Sa
14
18
Su
15
19
Mo
14
20
Tu
11
20
We
14
23
Th
14
22
Fr
14
22
Sa
14
21
Su
12
20
Mo
11
20
Max (°C)
Min (°C)
moreless
Lars Lowinski
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